Finding the Fourth Proportional to 107,025.27, 160,539.12 and 28,147.47

Step by Step Solution

1. Step 1: Write the proportion equation
   107,025.27 : 160,539.12 = 28,147.47 : x
2. Step 2: Convert to fraction form
   107,025.27/160,539.12 = 28,147.47/x
3. Step 3: Cross multiply
   107,025.27x = 160,539.12 × 28,147.47
4. Step 4: Simplify right side
   107,025.27x = 4,518,770,064.03
5. Step 5: Solve for x
   x = 4,518,770,064.03/107,025.27
6. Step 6: Final answer
   x = 42,221.52